Methanol filter

The invention relates to a methanol filter, which comprises a base, a filter element assembly arranged below the base, a drainage tube arranged vertically inside the filter element assembly and a housing arranged outside the filter element assembly. The base comprises a mounting hole, a liquid inlet port, a liquid outlet port and an exhaust hole, wherein the liquid inlet port and the liquid outletport are positioned above the mounting hole; The filter element assembly comprises an upper end cover, a lower end cover arranged below the upper end cover, a filter layer arranged between the upperend cover and the lower end cover, and a center pipe arranged around the inner surface of the filter layer. The drainage tube is positioned at the center of the central tube, and the drainage tube isprovided with a pressure balance hole; A low part of that shell is provided with a positioning table, a liquid discharge hole, a spring and a liquid discharge plug. The invention provides clean methanol for the engine and ensur